AC input
The power supply is optimized for operation in a three-phase system. Operation on only two phases of a three-phase system is possible with slightly different parameters. For further information see chapter Two-phase operation.
AC input | |||
|---|---|---|---|
AC input | Nom. | 3AC 380-480 V | Wide-range input |
AC input range | Min. | 3x 323-552 Vac | Continuous operation |
Suitable mains systems |
| TN, TT, IT | Wire (L) must not be earthed |
Permissible voltage L or N to earth | Max. | 400 Vac | Continuous according to IEC 60664-1 |
Input frequency | Nom. | 50-60 Hz | ±6% |
Turn-on voltage | typically | 3x 263 Vac | Static, load-independent, see Fig. Input voltage range; Turn-on behavior definitions |
Shut-down voltage | typically | 3x 242 Vac | Static, load-independent, see Fig. Input voltage range; Turn-on behavior definitions |
AC input |
| 3AC 400 V | 3AC 480 V |
|
|---|---|---|---|---|
Input current | typically | 0.79 A | 0.65 A | At 24 V, 20 A per phase, see Fig. Input current over output current; power factor over output current |
Power factor*) | typically | 0.94 | 0.95 | At 24 V, 20 A, see Fig. Input current over output current; power factor over output current |
Start-up delay | typically | 350 ms | 290 ms | See Fig. Input voltage range; Turn-on behavior definitions |
Rise time | typically | 30 ms | 30 ms | At 24 V, 20 A, ohmic load only, see Fig. Input voltage range; Turn-on behavior definitions |
typically | 40 ms | 40 ms | At 24 V, 20 A ohmic load with an additional 20 mF capacitor, see Fig. Input voltage range; Turn-on behavior definitions | |
Turn-on overshoot | Max. | 500 mV | 500 mV | See Fig. Input voltage range; Turn-on behavior definitions |
*) The power factor is the ratio of real (or active) power to apparent power in an AC circuit.
